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Finding the Fourth Proportional to 79,900.64, 110,260.22 and 44,090.67

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Solution

The fourth proportional to 79,900.64, 110,260.22 and 44,090.67 is: 60,843.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,900.64 : 110,260.22 = 44,090.67 : x
  2. Step 2: Convert to fraction form
    79,900.64/110,260.22 = 44,090.67/x
  3. Step 3: Cross multiply
    79,900.64x = 110,260.22 × 44,090.67
  4. Step 4: Simplify right side
    79,900.64x = 4,861,446,974.15
  5. Step 5: Solve for x
    x = 4,861,446,974.15/79,900.64
  6. Step 6: Final answer
    x = 60,843.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.